The graph shows the speed of Jamal’s car over time. A graph titled Speed of Car. The horizontal axis shows time (hours) and the vertical axis shows speed (m p h). Both axes are unnumbered. A line appears in 4 sections, labeled A, B, C, D. Section A shows a rise in speed over time, sections B and D maintain a level speed over time, and section C shows a reduction in speed over time.
Which best describes what is happening in section B?

Jamal is stopped.
Jamal is speeding up.
Jamal is slowing down.
Jamal is traveling at a constant speed.