Thomas wants to graph the speed of his bus ride home yesterday.

A. The bus started and took 1 minute to reach a speed of 30 mph.
B. It traveled at a constant speed of 30 mph.
C. The bus slowed down for 1 minute to come to a full stop.
D. The bus took 2 minutes to let passengers off.

Drag a segment to each box to show the shape of the graph for that interval.