In VFX graph what can I do to increase the frame rate of a flip-book when the velocity slows down?

Unity Engine
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1

This setup will cause the opposite, the frame rate slows down when the particle slows down.
5078873--499622--upload_2019-10-17_11-42-6.png

2

Divide by velocity, then the frame rate will be inversely proportional to velocity, meaning you get what you want.