Q: In scientific terms, average acceleration is the rate at which what changes?


Read this paragraph and choose the correct option from the provided answers:

In everyday conversation, to accelerate means to speed up. The accelerator in a car can in fact cause it to speed up. The greater the acceleration, the greater the change in velocity over a given time. The formal definition of acceleration is consistent with these notions, but more inclusive. Average Acceleration Average Acceleration is the rate at which velocity changes,.

 Choices:

- direction

- volume

- gravity

- velocity


A:
velocity