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 Originally Posted by wufwugy
Awesome, thanks.
Looks like an "ordinary" superhero feat like Cap jumping out of a plane and tanking the landing would require ~50x body weight in squat. Given that peak athletes do around 3x body weight, he'd have to be about 15x more "athletic" than them. Given that the difference between an American football player running a 4.5 second 40 yard dash and a 4.0 would be something like squatting 2x body weight vs 3x, Cap would be able to run the length of a football field in some crazy low number, like a second.
The problem is that we're facing a "rocket equation" when we extrapolate.
He would need to be ~15x more athletic at the same mass. If he puts on mass to become stronger, then he needs to be stronger to compensate for decelerating that additional mass. It's a feedback loop. It will fall apart if there is no convergence, i.e. the added strength needs to be at least enough to stop the added mass + some extra.
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