A person starts 10 feet from a motion detector and runs toward it at a very fast constant rate of speed. Which graph described below could model this situation?

O The graph is a very steep line that starts close to the origin and rises from left to right
O The graph is a fairly flat curve that begins high up on the y-axis and falls from left to right
O The graph is a horizontal line.
O The graph is a very steep line that begins high up on the y-axis and falls from left to right