Thanks to all of you who support me on Patreon. You da real mvps! $1 per month helps!! 🙂 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.
Calculus 3 Lecture 12.3: Arc Length/Parameterization, TNB (Frenet-Serret) Intro: How to find the arc length and arc length function of a vector function (space curve). How to reparameterize a vector function by arc length. An introduction to Movable Frames; TNB Frames or Frenet-Serret Frames and what they mean.