Which statement includes a description of velocity

Question

A car travels east at 45 kilometers per hour

A marble rolls 30 centimeters away from the table

A student walks 20 meters down the street

A bicycle moves 8 meters per second

Answer 1

The statement that includes a description of velocity is:

A car travels east at 45 kilometers per hour.

This statement specifies both the speed (45 kilometers per hour) and direction (east), which is what defines velocity.