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Average acceleration = (change in speed) / (time for the change) = (60 - 0) / (2.1) =

28.571 miles per hour per second, or

41.905 feet per second2

Using: (1 mile / hour - second) x (5,280- ft / mile) / (3,600 second / hour) = 1.4666 ft/sec2

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Q: What is the average acceleration of a car goes form 0 to 60 mph in 2.1 seconds?
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