Skydiving is a sport where a person jumps from an aircraft, typically at an altitude of 7,500 to 15,000 feet, and uses a parachute to slow their descent to the ground
. Skydivers can jump from various aircraft, including hot-air balloons, helicopters, and planes
. The length of the freefall, which is the time between exiting the aircraft and deploying the parachute, ranges from 40 to 85 seconds
. Skydiving can be done individually or with groups of people
. There are different types of skydiving, including relative work, accuracy trials, and canopy formation flying
. Skydiving requires training and equipment such as a main parachute, reserve parachute, container, glasses, and an altimeter
. Skydiving is an extreme sport that releases adrenaline and can improve reflexes and reduce stress
