Distance, speed and acceleration – WJEC Distance-time graphs of motion. ... Show answer Hide answer. 30 m. Question. What was the speed of the vehicle over the first 4 seconds?

Average speed = total distance ÷ total time = 1,700 m ÷ 50 s = 34 m/s. Look at this velocity-time graph and answer the question. This question requires an extended response, ie your answer must ...