Air density at high altitude is insufficient to resist a body's tumbling motions, and centrifugal forces high enough to cause physical injury could develop quic

Air density at high altitude is insufficient to resist a body's tumbling motions, and centrifugal forces high enough to cause physical injury could develop quickly. Holy crap. You can be spun to death. Let's not even ask how this fact was established. Let's just say that, if you know a test pilot, you should probably buy them a beer.