The bus is heading southwest at 56 miles per hour is it veloctiy or speed

Its velocity

Explanation:

Velocity is speed with a direction.

Speed is the rate at which someone or something is able to move or operate.

In the question its telling us that the bus is going 56 miles per hour but it aslo gives us a direction, in this case is southwest.

explanation:

as the height from which the ruler was dropped increased, the speed of the ruler at ryan's hand increased.

think its the third option