Why Skydivers Settle Near 120 MPH
120 mph is the figure that corrects the oldest image of skydiving: not a stone's plunge, but a negotiated fall in which air pushes back hard enough to establish terminal velocity. Gravity still wins. Yet a stable belly-to-earth posture gives the atmosphere a broad surface on which to collect its resistance.The counterintuitive part is simple: control begins with yielding. A spread body raises fron...More
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