I thought we only have them for 1000m.
But for many speeds at whatever alt we can compare FW accel to other planes *at the same speed*.
For the math challenged who can use the Windoze calculator, if you take the speed of the faster plane and divide by the speed of the slower plane then subtract 1 and multiply the result by 100 you will get the percent that the faster plane is faster.
640 / 620 = 1.032258064516129032258064516129
subtract 1 to get .032258064516129032258064516129
times 100 is 3.2258064516129032258064516129
640 is 3.2% faster than 620.
Comparing acceleration is the same way only it's acceleration, not speed.
Now repeat after me: The Sky Is Falling! The Sky Is Falling! It's A Conspiracy! The Sky Is Falling!
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