A Person Walks Toward a Plane Mirror at 2

Multiple Choice

A person walks toward a plane mirror at 2.0 ft/s. She is approaching her image in the mirror at a speed of

A) 1.0 ft/s.
B) 3.0 ft/s.
C) 2.0 ft/s.
D) 4.0 ft/s.
E) 5.0 ft/s.