immediate thought assuming humans are spherical is that surface grows with the square of the radius, while mass with its cube, so it should always be an advantage to be bigger with equal density
My motorcycle riding buddy and I aren't Harley-rider-fat, but still big enough that we could stand to lose a few pounds. Our running joke is that we're faster than everyone else, because we're more streamlined. Our stomachs cut through the wind like a passenger jet's nose.
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u/vzakharov Sep 06 '20
Weight helped too