Question

Why parachutist slow down when they open their parachute

Answer 1

Answer:

the pressure of air pull them upwards like a kite and gravitational force pull them downward as a free fall, therefore parachutist slow down as the being ballanced between air pressure and gravity

Answer 2

Answer:

one the parachute is opened , the air resitance overwhelms the down ward force of gravity .the net force and the acceleration on the falling skydiver is upward the skydiver thus slow down