At the instant the traffic light turns green, a car starts ahead with a constant acceleration of 3.60 m/s^2. At the same instant, a truck also starts moving. What is the acceleration of the truck? A) 3.60 m/s^2 B) 4.00 m/s^2 C) 2.80 m/s^2 D) 3.00 m/s^2