LON-CAPA Acceleration Plot

dynamically generated plot

At t=0, a car drives with a velocity of 18 m/s. Its acceleration on a straight road is shown over the next minute. Which one of the following statements is true?
The car first drives forwards and then backwards.
The car first starts driving backwards and then forwards.
The car first speeds up and then slows down.
The car first slows down, then speeds up, and then slows down again.
The car first slows down and then speeds up.

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At what time does it have maximum velocity?

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What is the maximum velocity?

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What is the final velocity?

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