A metro train runs from station A to B C. It takes 4 minutes in travelling from Station A to Station B. The train halts at station B for 20 s. Then it starts from station B and reaches Station C in next 3 minutes. At the start, the train accelerates for 10 s to reach the constant speed of 72 `km//hr`. The train moving at the constant speed is brought to rest in 10 sec. At next station. (i) Plot the velocity- time graph for the train travelling from the station A to B to C. (ii) Calculate the distance between the stations A, B and C.