The sensation of free fall varies greatly between Earth, Mars, and the Moon because of their differing gravitational forces. On Earth, gravity accelerates objects downward at approximately 9.8 meters per second squared, creating a strong pulling sensation that we perceive as weight during a fall. On Mars, where gravity is only about 38% of Earth's, the acceleration in free fall drops to roughly 3.7 meters per second squared. This weaker force would make you feel significantly lighter, and your d