Why the square was Not moving properly

Question

Initially the square moves properly, After Adding image the square was not moving properly
https://code.sololearn.com/WVzQHHp113hL/?ref=app

Answer 1

GHOST
Have a look..it's work properly.
where are your problem?
https://code.sololearn.com/WN0s1vAGJAm3/?ref=app

Answer 2

Take a look at it again