An automobile and train move together along parallel paths at 22.7 m/s. The automobile then undergoes a uniform acceleration of −4 m/s2 because of a red light and comes to rest. It remains at rest for 60 s, then accelerates back to a speed of 22.7 m/s at a rate of 3.75 m/s2.
How far behind the train is the automobile when it reaches the speed of 22.7 m/s, assuming that the train speed has remained at 22.7 m/s? Answer in units of m.
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