# Acceleration for a curved trajectory

• I
In feynman lectures on physics volume 1
Excerpt 11-6
I don't get how the equation \begin{equation*} \Delta v_\perp=v\,\Delta\theta \end{equation*} is found.

haushofer
Me neither, I don't have a copy of the Feynman lectures and don't have a clou what this all means.

Me neither, I don't have a copy of the Feynman lectures and don't have a clou what this all means.
They are available online.

Ibix