If a driver triples the speed of a car, he/she increases its force of impact:
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9 times.
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6 times.
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3 times.
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4 times.
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Explanation
When drivers triple their speed, the force of impact increases by nine times. For instance, increasing speed from 20 to 60 MPH results in a ninefold increase in both braking distance and collision impact. This illustrates why speeding greatly raises the risk and severity of crashes—higher speeds mean much longer stopping distances and much more powerful collisions.
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