This graph shows the altitude of an airplane over time. Which story matches the graph? 1) The aircraft rose quickly into the air at takeoff, and then it continued at a constant altitude.

2) The aircraft rose steadily over the entire flight.

3) The aircraft rose quickly to its maximum height, and then it immediately began going back down toward the ground.

4) The aircraft rose quickly into the air at takeoff, and then it rose slowly for the rest of the flight.