Two trains of length 600 m each are moving in the same direction on parallel tracks. Initially train A is ahead of train B and both the trains are moving with the same speed of 108 km / h. The driver of train B accelerates by 1 m / sec2. After 50 sec train B is just completely ahead of train A. Calculate the original distance (in m) between trains A and B.
1
1000
2
2750
3
1250
4
1500