To introduce our lesson on related rates, let's look at a Free-Response Question from the [insert year here] AP Exam. It concerns rates and an oil slick. I fear for the ducks. Duration: 3:31

Before we learn how to implicitly take the derivative of an equation with respect to time, we need to become adept at translating the words from the problem into calculus symbols using Leibniz notation. Duration: 5:15

After reviewing the previous Exercise, we'll go in the other direction, translating the calculus symbols into words involving a embolden or italicized rate. Duration: 5:10