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Anonymous
Terminal velocity is only part of the puzzle. The other is the ratio of surface area to volume.
As an object gets bigger, the volume (and therefore mass) goes up accoring to the cube of the object's size. However it's surface area and cross-sectional area only go up by the square.
Thus, if we're talking about larger and larger animals, mass increases much faster than the the strength of the body.
If you had two animals of different sizes, and you dropped them so that they had the same velocity at impact, the lighter one would have a much better chance of avoiding injury.
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