// PROLOGUE // Title: Falling Rocks By: Dan Meyer Questions: 42 Skips: 58 Tags: rocks, falling, gravity, quadratic, speed, sound, movie, hollywood Standards: A-CED.1 - Create equations that describe numbers or relationship. Create equations and inequalities in one variable and use them to solve problems. Include equations arising from linear and quadratic functions, and simple rational and exponential functions.* F-BF.1 - Build a function that models a relationship between two quantities. Write a function that describes a relationship between two quantities.* F-LE.3 - Construct and compare linear, quadratic, and exponential models and solve problems. Observe using graphs and tables that a quantity increasing exponentially eventually exceeds a quantity increasing linearly, quadratically, or (more generally) as a polynomial function.* Credits: Pathe for Descent License: CC-BY 3.0 // ACT ONE // QUESTION - How deep is the cave? QUESTION - What's a guess you know is too high? QUESTION - What's a guess you know is too low? // ACT TWO // QUESTION - What information would be helpful here? VIDEO - Timer - act2.mov // SEQUEL // QUESTION - If you drop a rock off the top of the Golden Gate Bridge, how long will it take you to hear a splash?