Very good post.
"The larger you are the faster you accelerate in free fall (in air, not in vacuum)."
I'm not sure you got that one right.
I could swear I've seen it demonstrated many times where a large sphere and a small sphere are dropped from a height at the same time and they both hit the ground at the same time.
Or did I imagine it?
RE: Scaling - Why Ants Bounce But Elephants Go Splat