Is 851 meters per hour as fast as a Skydiver (headfirst)?
It's about one-three-hundredth as fast as a Skydiver (headfirst)
The speed of a Skydiver (headfirst) is about 260,000 meters per hour.
(Head-to-Earth orientation or standing, average conditions, terminal velocity)
A head-to-Earth or standing-oriented skydiver's terminal velocity assuming average conditions is about 260,000 meters per hour. In a typical jump from 3,900 m (13,000 ft), a diver in this orientation will be in freefall for 46 seconds.
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