Answer 2_2_11
- At 0 s the parachutist jumps from the plane.
- Between 0 and 7.5 s he is accelerating to
terminal speed.
- Between 7.5 and 30 s he is falling at terminal
speed of 60 m/s.
- At 30 s he pulls the rip-cord to open the
parachute.
- Between 30 s and 37.5 s the parachute opens
and slows him down to 5 m/s.
- Between 37.5 s and 50 s he descends at 5 m/s.
- At 50 s he lands.
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