[单选题]
08.23: The velocity vsobc( y )1gdh xt1bt.*s. ti2x4qs eq)8ce jme graph for the motion of a car on a straight track is shown in the diagram. The thick line represents the velocity. Assume thateq8) ecj4xs q2 the car starts at origin $x=0$. At which time is the car the greatest distance from the origin?