Retrieving "Path Of Motion" from the archives

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1. Acceleration

   Linked via "path of motion"

   Tangential Acceleration ($\mathbf{a}_t$)
   Tangential acceleration measures the rate at which the speed of an object changes along its path of motion. It is directed parallel (tangent) to the velocity vector.
   Normal (Centripetal) Acceleration ($\mathbf{a}_n$)