A train passes a person running in the opposite direction with a speed of 20 m/s in 4 seconds, and the same train passes a bicycle moving in the same direction at a speed of 60 m/s in 6 seconds. Determine the time it takes for the train to pass a stationary pole, given that the train's speed is greater than that of the bicycle.
1
4.36 sec
2
5 sec
3
1.23 sec
4
10 sec
5
6 sec