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A 60.0-kg and a 90.0-kg skydiver jump from an airplane at an altitude of 6.00*10^3 ,...

A 60.0-kg and a 90.0-kg skydiver jump from an airplane at an altitude of 6.00*10^3 , both falling in the pike position. Make some assumption on their frontal areas and calculate their terminal velocities. How long will it take for each skydiver to reach the ground (assuming the time to reach terminal velocity is small)? Assume all values are accurate to three significant digits. Use Drag Coefficient 1.21kg/m^3 and frontal Arear of skydiver of 0.140m^2.

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