The elevator starts on floor 3 and rises at 4 floors per second.
The elevator starts on floor 8 and descends at 1 floor per second.
The elevator starts on floor 8 and descends 4 floors per second.
The elevator pauses on floor 2.
The elevator starts on floor 5 and descends at 4 floors per second.
The elevator starts on floor 5 and descends at 1 floor per second.
The elevator starts on floor 2 and rises at 4 floors per second.
The elevator starts on floor 3 and rises at 0.5 floors per second.
The elevator starts on floor 2 and rises at 0.5 floors per second.