A. Introduction to Roller Coaster Design

Students use the interactive windows below to mark peak and valley points of the indicated straight stretch portions of the roller coasters.  Cubic polynomials are automatically drawn to connect successive peak/valley points.  Coordinates of the marked points are shown.  The slope value at the point of steepest descent/ascent of the cubic polynomial path is also shown.

Colossus image from www.ultimaterollercoaster.com
Greyhound
and The Devil images from Ken's Classic Coaster Postcards
Steel Dragon and Shivering Timbers
images from www.coastergallery.com

Assignment

For Colossus and Steel Dragon

  1. Point and click to mark the peak and valley point of the indicated drop.  Choose peak and valley points so that the connecting cubic polynomial provides a close fit to the actual path of the coaster.
  2. What is the minimum value of the slope along your path?
  3. What is the angle of steepest descent along your path?
  4. What is the vertical drop of your path?
  5. What is the thrill of your path?

 For Greyhound, The Devil, and Shivering Timbers

  1. Point and click to mark peak and valley points along the indicated path of the coaster.  Choose peak and valley points so that the connecting polynomials provide a close fit to the actual path of the coaster.
  2. What is the minimum (maximum) value of the slope along each fall (rise) of your path?
  3. What is the angle of steepest descent (ascent) along each fall (rise) of your path?
  4. What is the vertical drop of each fall of your path?
  5. What is the thrill of your path?