An escalator at a shopping mall is 10 m long and moves at a constant speed of 0.5 m/s. If Jose steps onto the escalator at the bottom while it is moving, how long will it take him to travel the 10 m?

pick from the following.
(1). 5 s.
(2). 10 s.
(3). 15 s.
(4). 20 s.

