Suppose that = 0.075 (in fps units, with g = 32 ft/s 2 ) in Eq.

Suppose that ρ =  0.075 (in fps units, with g = 32 ft/s²) in Eq. (15) for a paratrooper falling with parachute open. If he jumps from an altitude of 10,000 ft and opens his parachute immediately, what will be his terminal speed? How long will it take him to reach the ground?

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dv dt = -8 + pv² = 8 (1-2v²). = -8 (15)