Parachuting
Overview
 
Parachuting, also known as skydiving, is the action of exiting an aircraft and returning to earth with the aid of a parachute
Parachute
A parachute is a device used to slow the motion of an object through an atmosphere by creating drag, or in the case of ram-air parachutes, aerodynamic lift. Parachutes are usually made out of light, strong cloth, originally silk, now most commonly nylon...

. It may or may not involve a certain amount of free-fall, a time during which the parachute has not been deployed and the body gradually accelerates to terminal velocity
Terminal velocity
In fluid dynamics an object is moving at its terminal velocity if its speed is constant due to the restraining force exerted by the fluid through which it is moving....

.

The history of skydiving starts with Andre-Jacques Garnerin
André-Jacques Garnerin
André-Jacques Garnerin was the inventor of the frameless parachute. He was born in Paris.His early experiments were based on umbrella-shaped devices...

 who made successful parachute jumps from a hot-air balloon in 1797.
 
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