(Answered) Question light-rail passenger trains that provide

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Question: Light-rail passenger trains that provide transportation within and between cities speed up and SLOW down with a nearly constant (and quite modest) acceleration. A train travels through a congested part of town at 6.0m/s . Once free of this area, it speeds up to 13m/s in 8.0 s. At the edge of town, the DRIVERagain accelerates, with the same acceleration, for another 16 s to reach a higher cruising speed.

Part A: What is the final speed?

I known the correct answer but I need to know how to get that. Thanks in advance! Express your answer to two significant figures and include the appropriate units.

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