Two men set out from a certain place going in the same direction. The first travels at a constant rate of 8 kilometers per hour, while the second goes 4 kilometers for the first hour, 4.5 kilometers for the second hour, 5 kilometers for the third hour, and so on. After how many hours will the second man overtakes the first man? 23 hours O 17 hours 19 hours 15.85 hours

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