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2.8 As a highway patrol officer, you are participating in a speed trap. A car passes your patrol car which
you clock at 55 mph. One and a half minutes later, your partner in another patrol car situated two miles
away from you, clocks the same car at 50 mph. Using the mean value theorem for derivatives (Eq. (2.4)),
show that the car must have exceeded the speed limit of 55 mph at some point during the one and a half
minutes it traveled between the two patrol cars.
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