alleryStart learning →Average acceleration is defined as which of the following?
AThe rate at which velocity changes
BThe rate at which position changes
CThe rate at which distance changes
DThe rate at which direction changes
Answer & Solution
Correct answer: A. The rate at which velocity changes
1. Average acceleration is the rate at which velocity changes.
2. In symbols it is the change in velocity divided by the time over which it changes.
3. The rate at which position changes is velocity, which is one step lower.
4. Direction alone has no rate of its own defined here.
_Source: OpenStax College Physics (CC BY 4.0), Ch 2 "Kinematics", section 2.4 Acceleration_
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