At the airport, you attempt to run the wrong way along a moving walkway, which is moving towards you at -1.3 m/s. Your initial velocity when you enter the walkway is 2.0 m/s (relative to an observer on the ground) and you speed up with a constant acceleration of 0.1m/52. If it takes you 15.35 to get to the far end of the walkway, how long is it