Answer the following question given this paragraph: 

What is the speed of the bird in Exercise 2.4? 6. Acceleration is the change in velocity over time. Given this information, is acceleration a vector or a scalar quantity? Explain. A weather forecast states that the temperature is predicted to be scalar quantity? Explain.


Q: Acceleration is defined as the change in what over time?

 Choices:

- mass

- direction

- volume

- velocity

A:
velocity
