Please help me. I'll give you the brainliest.

Melinda and Bart are sitting beside each other in the third car of a roller coaster.

From whose reference point are Melinda and Bart moving away from the observer?
A. a person sitting in the first car of the roller coaster
B. a person standing on the ground behind the roller coaster
C. a person sitting in the last car of the roller coaster
D. a person standing on the ground in front of the roller coaster

Please help me Ill give you the brainliest Melinda and Bart are sitting beside each other in the third car of a roller coaster From whose reference point are Me class=