That's a ridiculous story, I guess the snow must've taken the blunt of the hit. I think human falling velocity is like 80-something MPH, so to survive a fall from that distance is just crazy.
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The lowest terminal velocity of a skydiver is approximately 56 m/s (125 mph)[
1][
2]. Speeds of over 89 m/s (200 mph) can be achieved close to Earth if the cross section of the skydiver is minimized.
Since more than 99% of terminal velocity is reached after a free-fall of approximately 15 seconds (after falling 395 meters or approximately 1/4 mile)[
3], falling any distance farther than that will have no difference in impact.
Furthermore,
Vesna Vulović holds the Guinness World Record for the highest fall survived without a parachute, at 33,330 feet (10,160 meters). However, she was either trapped in the fuselage as it fell, or was positioned in a flight chair. One of them absorbed most of the damage from the fall.
I've never read about anyone surviving a completely unaided free fall of over 25 meters at a perpendicular angle into reasonably solid ground. James Boole was most likely saved by her half-opened parachute.
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