IBPS PO Prelims 4 Dec 2021 Shift 3 Solved Paper

A train met with an accident 100 km from station P. It completes the remaining journey at 2/3 of the previous speed and reached 42 min late at station Q. If the accident had taken place 40 km further, it would have been only 22 min late. Then, what is the original speed of the train?