A Train,starting from Rest,accelerates Along the Platform at a Uniform

Multiple Choice

A train,starting from rest,accelerates along the platform at a uniform rate of 0.6 m/s².A passenger standing on the platform is 5 m away from the door when the train starts to pull away and heads toward the door at acceleration of 1.2 m/s².How far away from the door is the passenger after 3 seconds?

A) 2.7 m
B) 5.4 m
C) 0.40 m
D) 2.3 m
E) 0.90 m