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Q. The magnitude of the maximum acceleration is typically 1.3 , but the driver will usually maintain a constant acceleration that is less than the maximum. A train travels through a congested part of town at 7.0 . Once free of this area, it speeds up to 12 in 8.0 . At the edge of town, the driver again accelerates, with the same acceleration, for another 16 to reach a higher cruising speed.

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