Q:

# How many feet per second does an object fall?

A:

On Earth, a free-falling object accelerates at 32 feet per second. This means that after two seconds the object is falling at 64 feet per second, and after three seconds it's travelling at 96 feet per second, and so on.

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The object's velocity continues to increase at the same rate until it reaches its terminal velocity, which is when air resistance equals the force of gravity. When the terminal velocity is reached, a free-falling object can no longer accelerate. In a vacuum, a feather falls at the same rate as a hammer because there isn't any air resistance to slow either object down.

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A 1-inch PVC pipe handles 58 gallons of water a minute at a peak velocity flow of about 18 feet per second. This is equivalent to 3,510 gallons per hour.

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Weightlessness, or microgravity, occurs when an object is in free fall, explains the U.S. National Aeronautic and Space Association. Gravity pulls the object in free fall at a faster rate due to the equivalence of the force of gravity to acceleration.

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Isaac Newton observed the fall of an apple in 1666 and deduced that the same force pulling the apple to Earth was the same that kept the moon in orbit. He did not publish his theory until 1687.