Note:You will find some interesting information and graphics in Wikipedia's Involute page.
Note: You will need to read about solving differential equations numerically as explained in the maple-basics-2.mw link in the course's home page.
Note: The statement of Exercise 1.3.12 is incomplete. It says “If a rigid body moves along a curve …”. That's not enough. What it's meant to says is “If a rigid body is fixed to the Frenet triad and is carried with it along the curve …”.