2 The diagram is a speed-time graph of a train’s journey between two stations. (a) What was the maximum speed of the train? (b) Circle the statement that describes the train’s motion 350 seconds after it left the first station. Accelerating Decelerating Constant speed Stopped at a station (c) Calculate the acceleration of the train during the first 150 seconds of its journey. (d) What was the speed of the train 20 seconds before it completed its journey? (e) How far did the train travel during the first 200 seconds? (f) Calculate the average speed of the train in kilometres per hour during the first 200 seconds.