# How to make non-linear movements with a Follow Path constraint?

I try to achieve a non linear movement with the Follow Path constraint.

I linked my object to a bezier circle using the Follow Path constraint. It follows the circle with a linear movement, meaning the speed of the object always stays the same.

I want to make the object move faster by time, by changing the curve of the evaluation time from linear to exponentially.

In short I want the movement of the object to get faster and faster. How can i achieve this?

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Under the Modifier panel add a Generator modifier, change poly order to $$2$$, and adjust the function to get the desired speed.