A parachutist jumps out of the plane and falls for some time without an open parachute. The graph below shows the speed-time graph of his motion.
Describe the motion.
How long does it take the parachutist to accelerate during the fall?
What is his final velocity?
to 
the Parachutist falls freely. From 
interval, the fall is accelerated unevenly. After 
.
