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Skydive from the StratosphereAltitude: 90,000 ft Airspeed: 614 mph With virtually no air to slow you down, you continue to accelerate until you reach a speed of 614 mph! At this altitude, that's nine-tenths the speed of sound. Still, you hear no air rushing by. This is fastest part of your freefall. Continue Escape Through Time | Skydive | Human Response Survivor Stories | Pioneers of Survival | Survival Strategies Resources | Teacher's Guide | Transcripts | Site Map | Escape! Home Editor's Picks | Previous Sites | Join Us/E-mail | TV/Web Schedule About NOVA | Teachers | Site Map | Shop | Jobs | Search | To print PBS Online | NOVA Online | WGBH © | Updated November 2000 |