A parachutist jumps out of an airplane and accelerates with gravity to a maximum velocity of 68.6 m/s in 7.00 seconds. She then pulls the parachute cord and after a 4.00-second constant deceleration, descends at 10.5 m/s for 60.0 seconds, reaching the ground. From what height did the parachutist jump?
a. 1.03E+3 m
b. 7.88E+2 m
c. 1.19E+3 m
d. 1.66E+3 m
e. 1.43E+3 m
a
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