Thanks to all of you who support me on Patreon. You da real mvps! $1 per month helps!! ðŸ™‚ https://www.patreon.com/patrickjmt !! Related Rates #6 – Rate at Which the Circumference of a Circle is Changing. In this video, a pebble is dropped into a pond creating circular ripples. Here we know the rate at which the radius of a ripple is changing and use that to find the rate at which the circumference is changing.

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