In a bumper car arena, two cars of equal mass are heading straight toward each other. The orange one is traveling at a speed of 5 meters per second. The green one is traveling at a speed of 2 meters per second. Which car will continue moving in its original direction, and at what speed? A) green, at 2 meters per second B) green, at 3 meters per second C) orange, at 2 meters per second D) orange, at 3 meters per second