A graph titled Position versus time for with horizontal axis time (seconds) and vertical axis position (meters). A straight blue line runs with a downward slope from 0 seconds 12 meters to 5 seconds 2 meters.
The object represented by this graph is moving

away from the origin at a constant velocity.
away from the origin at a decreasing velocity.
toward the origin at a constant velocity.
toward the origin at a decreasing velocity.