Final answer:
A change in velocity refers to a change in the speed and/or direction of an object's motion. The scenario that describes a change in velocity is a person on an amusement ride that is spinning in a circle.
Step-by-step explanation:
A change in velocity refers to a change in the speed and/or direction of an object's motion. It is important to note that velocity is a vector quantity, meaning it has both magnitude and direction.
Out of the given options, the scenario that describes a change in velocity is a person on an amusement ride that is spinning in a circle. As the person moves around the ride, their direction is constantly changing, resulting in a change in velocity.
Learn more about Change in velocity