(c) After the 60 seconds, the parachutist pulls the cord and opens her parachute. Explain how the parachute reduces the speed of the parachutist when it is just opened. In your answer you should consider:
• how the motion of the parachutist changes when the parachute is opened
• the effect of the size of the parachute on the motion
• the effect of the parachute on the net vertical force.
When the parachute opens, there is more surface area for air to hit. ∴drag will increase Fdrag>Fgrav. Eventually after time the gravity