Which of the following statements best describes what the phrase "rate of
change" means in the context of this lab?
O How often a quantity's magnitude changes.
O The difference in some quantity over some period of time (for example, velocity is the "rate of
change" in position).
O The span of time over which a quantity's value has changed.
O The speed at which coins roll away from you when dropped from a pocket.
The change in the difference in some quantity over some period of time (for example,
acceleration is the "rate of change" in position).