The graph shows the motion of an object as it travels. Which object best matches the motion as seen in the graph?
.A. woman hiked on a trail up a mountain. She slowed down as it became more steep. She stopped at the top to
take in the view below. Then she continued on the trail and walked down the other side of the mountain.
B. A truck driver left a warehouse and drove on a highway at a constant speed before he stopped for lunch. To
make up for lost time, he drove faster when he got back on the highway. He unloaded his haul and drove quickly
back to the warehouse.
C. A woman drove her car up a steep hill and stopped at a red light. When the light turned green she continued to
drive up the rest of the hill until she reached the gas station. She stopped to buy gas and then drove down the
other side of the hill towards her office.
D. A man ran in a race and accelerated steadily for the first hour. He then continued to briefly at a constant pace
while he had the lead. When other runners began to catch up he accelerated again. He then continued at a
constant high speed. He became overtired and slowed down until he had to completely stop running.