Which of the following examples accurately describes an object that is accelerating?
A car sitting motionless at a stop sign
A car slowing down to turn into a driveway
A car moving at 25 mph toward the south
A car moving at 50 mph
A car sitting motionless at a stop sign
A car slowing down to turn into a driveway
A car moving at 25 mph toward the south
A car moving at 50 mph