Unsure about the premise, but if this is correct this might upgrade OP again.
As far as I know, the OP Earth scaling was denied because it resulted in outlierish ends. Having said that, I haven't heard anything about Arabasta's size being debunked.
In Arabasta there was a panel where we saw the island as a whole from above. NF calculated the distance from the POV to Arabasta to be 39738000 meters
In other words, this distance is the minimum atmosphere length. Which means that going by our current Fujitoras accepted meteor calc, the meteor would have to take almost an hour to fall down, which doesn't make much sense.
So a better way to calculate the feat would be to use assumed timeframes, just like the Irene's Meteor calc from Fairy Tail.
Doflamingo and Law vs Meteor[]
When Fujitora summoned a meteor against Doflamingo and Law, it took very little for the meteor to arrive. I'll use 1 minute and 30 seconds as a low and high end assumed timeframe.
(I'd link the chapter when it happened, but I honestly don't remember)
Low-End: 1 minute
39738000 meters/60 s = 662300m/s = Mach 1946 (MHS+)
High-End: 30 seconds
39738000 meters/30 s = 1324600m/s = Mach 3892,5 (MHS+)
Personally leaning towards the low end, since it's more reliable. This would scale to both Doflamingo and Law, since they reacted to the meteor.
Big Meteor Calculation[]
Oof, here we go.
Fujitora summoned a huge meteor during his fight with Sabo, which could be seen above Dressrosa.
https://www.mangareader.net/one-piece/751
Fujitora summoned his meteor while Sabo was fighting with the other marines, so using 5 minutes should be reliable enough. The meteor was far bigger, so it makes sense that it took longer for it to land. Not to mention that Fujitora summoned it when Sabo only attacked, and Sabo took some time battling other marines.
39738000 meters/300 s = 132460 m/s (= Mach 390)
I know that Cin scaled this before, but I noticed that his scaling was qutie highballed, so I'll rescale everything myself.
Dressrosa Diameter = 43 803 m (source: Narutoforums)
Dressrosa = 510 px <=>
Ratio = 85.8882352941176471 m/px
Largest Meteorite = 18 px = 1545.988 m
Volume of a sphere:
V = 4/3 * pi * r^3 = 4/3 * pi * (1545.988/2)^3 = 1934714907.74369 m^3
Meteor Density = 3350 kg/m^3
Mass = 1934714907.74369 * 3350 = 6481294940941.3615 kg
E = 0.5 * m * v^2 = 0.5 * 6481294940941.3615 * 132460^2 = 56859271475299852454326.7 joules = 13.589 teratons(Country level)
Assuming 1 minute(Outlier high end):
39738000/60 = 662300 m/s (= Mach 1945)
E = 0.5 * m * v^2 = 0.5 * 6481294940941.3615 * 662300^2 = 1421481786882496311358167.5 joules = 339.74 teratons(Large Country level)
Well, if this method is usable, then OP gets an upgrade :)
Law Redirects a meteor[]
https://www.narutoforums.org/xfa-blog-entry/one-piece-feat-17-law-re-directs-meteor.20877/
^Remake of this calc. This is when Fujitora summoned a meteor while sitting of his flying ship.
……
Meteor Volume = 774843.820 m^3
Density of Meteor = 3350 kg/m^3
Mass = 774843.820 * 3350 = 2595726797 kg
We don’t know when the meteor was summoned, so we’ll assume 5 minutes as usual
E = 0.5 * m * V^2 = 0.5 * 2595726797 * 132460^2 = 22771859014472962600 joules = 5.44 gigatons (Island level) Law redirecting the meteor should be just hax, given it's the ability of his fruit. Still a nice tidbit for his hax I guess.
Doflamingo's Birdcage[]
Gonna use Cin's method of calculating this.
The ratio should be correct since Lina worked on this as well, so:
Thread Thickness = .00889m(same as before)
Gap between each thread = .02736m
Meteorite Width = 1545.988 m
Number of threads that hit the meteorite = .00889m+.02736m = 0.03625m, so
1545.988/0.03625 = 42647.944 threads
Space that the meteorite touches (Horizontal) = 42647.944 *.00889 = 379.14 meters
Ratio (Threads:MeteoriteKE) = 379.14 /1545.988 = 0.2452412308504335:1 (So basically the same lol….)
Low-End:
Kinetic Energy of the Meteor = 56859271475299852454326.7 joules
<=> Birdcage Durability = 56859271475299852454326.7 * 0.2452412308504335 = 13944237721861479682907.01580205764562445 joules = 3.3 teratons (Small Country level)
High-End:
Kinetic Energy of the Meteor = 1421481786882496311358167.5 joules
<=> Birdcage Durability = 1421481786882496311358167.5 * 0.2452412308504335 = 348605943046536992072675.39505144114061125 joules = 83.3 teratons (Country level+)
Conclusion[]
Doflamingo and Law's Speed: Mach 1946 - 3892 (MHS+)
Fujitora's Meteor: 13 teratons - 340 teratons (6-B to High 6-B)
Law Redirecting the Meteor: 5.4 gigatons (6-C)
Doflamingo's Birdcage: 3.3 - 83.3 teratons (Low 6-B to 6-B)
The Low-End is the most reliable for all of these, but it's up to the calc members to decide.
!!!DISSAPROVED DUE TO INCONSISTENT ATMOSPHERE SIZE!!!