In Problem 53, how much time would it take you to cover the 61-m length of the walkway if, once you get on the walkway, you immediately turn around and start walking in the opposite direction with a speed of 1.3 m/s relative to the walkway?

In problem 53

As you hurry to catch your flight at the local airport, you encounter a moving walkway that is 61 m long and has a speed of 2.2 m/s relative to the ground. If it takes you 49 s to cover 61 m when walking on the ground.