which statement includes a description of velocity?

1. A marble rolls, 30 cm away from the table.
2. A bicycle moves 8 m/s.
3. A Student meters 20 m down the street.
4. A car travels east at 45 km/h.

2. A bicycle moves 8 m/s.

This statement includes a description of velocity because it specifies both the speed (8 m/s) and the direction (moving). Velocity is a vector quantity that includes both magnitude (speed) and direction.