Question

A car has the velocity versus time curve shown above. Which of the following statements regarding its motion is INCORRECT? 

(A) The car is moving fastest at 2.0 s 

(B) The car is at rest at approximately 5.2 s. 

(C) The car is speeding up from t = 0 to t = 2.0 s 

(D) The car has negative acceleration at t = 4.5 s. 

(E) The car has no acceleration at the instant t = 2 s. 

Answer 1

Correct option (D) The car has negative acceleration at t = 4.5s.

Acceleration is the slope of the line