# Problem: When an object moves very fast in air, the air resistance is proportional to the square of the speed and it is called the drag force: f = Dv2, where D is constant. Assume that a person with mass m jumps from an airplane flying at an altitude h and is subject to the weight and drag only. What is her terminal speed?

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When an object moves very fast in air, the air resistance is proportional to the square of the speed and it is called the drag force: f = Dv2, where D is constant. Assume that a person with mass m jumps from an airplane flying at an altitude h and is subject to the weight and drag only. What is her terminal speed?

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