Question

If you walk toward a plane mirror at 1.5 m/s, with that velocity will your image approach you? If instead you remain at rest and it is the mirror being moved away from you at 1.5 m/s, with what velocity your image move away from you?

Answer 1

 the mirror being moved away from you at 1.5 m/s, velocity of image will also move at rate 1.5m/s from you