For motion of the car between \( t=18 \mathrm{~s} \) and \( t=20 \mathrm{~s} \), which of the gi...

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For motion of the car between \( t=18 \mathrm{~s} \) and \( t=20 \mathrm{~s} \), which of the given statement is correct?
(a) The car is moving in a positive direction with a positive acceleration.
(b) The car is moving in a negative direction with a positive acceleration.
(c) The car is moving in positive direction with a negative acceleration.
(d) The car is moving in negative direction with a negative acceleration.
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