Jiro comments on Harry Potter and the Methods of Rationality discussion thread, February 2015, chapter 110 - Less Wrong Discussion
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Comments (112)
Smashing a creature against a wall at a specific speed is dependent on the square/cube law, since the kinetic energy is proportional to the creature's mass, but that kinetic energy is being spread out over a proportionately greater cross-sectional area than a larger creature. That's why a cat can survive a fall from pretty much any height.