Did Redbull break the sound barrier?
Did Redbull break the sound barrier? While the free fall was initially expected to last between five and six minutes, Baumgartner deployed his parachute after 4 minutes and 19 seconds. Reaching 1,357.64 km/h (843.6 mph)—Mach 1.25—Baumgartner broke the sound barrier on his descent, becoming the first human to do so without any form of engine power.
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