physics (PLEASE READ)

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referring to the previous problem, if you had entered the same sandy patch with a lower speed, say 7.0 m/s, would the patch have the same effect on your speed, say 7.0 m/s, would the patch have the same effect on your speed? that is, assuming the sandy patch causes the same acceleration, does your speed decreases by 1.5 m/s, more than 1.5 m/s or less than 1.5 m/s? justify your answer with a calculation.

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