A car starts from rest at a stop sign. It accelerates at 2.s for 9.0s, and then slows down at a rate of 1.s for the next stop sign.

A car starts from rest at a stop sign. It accelerates at 2.0m/s.s for 9.0s, and then slows down at a rate of 1.5m/s.s for the next stop sign. how much time does it take to travel from the first stop sign?

Show me clearly so that I can understand, thank you

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