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Acceleration is defined as the rate of change of velocity. It is denoted by ‘a’ and is measured in the units of m/s2. For a particular interval, the average acceleration is defined as the change in velocity for that particular interval. Unlike acceleration, the average acceleration is calculated for a given interval.

Formula:

Average acceleration is calculated by the following formula,

\begin{array}{l}Average\,Acceleration = \Delta{v}/\Delta{t}\end{array}

Here, Δ v is the change in velocity and Δ t is the total time over which the velocity is changing.

\begin{array}{l}Average Acceleration = v_{f} – v_{i}/ t_{f} – t_{i}\end{array}

where,
vf is the final velocity
vi is the initial velocity
ti is the initial time
tf is the final time

Also, if the object shows different velocities, such as v1, v2, v3…vn for different time intervals such as t1, t2, t3…t3 respectively, the average acceleration is calculated using the following formula,

\begin{array}{l}Average\,Acceleration = v_{1}+ v_{2}+ v_{3}+…..+v_{n}/ t_{1}+ t_{2}+ t_{3}+….+t_{n}\end{array}
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