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A paratrooper will be dropped from a Douglas C-47 at an altitude
of 45 Km, where the acceleration due to gravity is 8 meters per
second squared and where the paratrooper only weighs at around
400 Newtons. Assuming the acceleration due to gravity decreases
by 0.0345 meter per second squared per Kilometer of height,
determine his actual weight on the ground (sea level).

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