A train departs from a station at time $t = 0$. The graph illustrates how the distance between the train and the station changes with time. Which statement about the train’s motion between time $t_1$ and $t_2$ is correct?
- AIts speed is decreasing and it is moving away from the station.
- BIts speed is decreasing and it is moving towards the station.
- CIts speed is increasing and it is moving away from the station.
- DIts speed is increasing and it is moving towards the station.