Plot the v-t graph showing the entire motion of the dragster, Physics

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A dragster begins from rest and accelerates for 4.0 s at a rate of 5.0 m/s2. It then travels at a constant speed for 2.5 s. A parachute opens, stopping the vehicle at a constant rate in 2.0 s. Plot the v-t graph showing the entire motion of the dragster

 

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