Motion Control
    Continuous motion along a line - Uniform acceleration
    Continuous motion along a line - Variable acceleration
    Iterative linear motion along a line - Uniform acceleration
    Iterative damped motion along a line
    Continuous motion within the plane
    Iterative damped motion in N-space - Variable acceleration
    When and How To Launch Missiles
          Fixed velocity missile at fixed velocity target
    Fixed velocity missile at accelerating target
    Accelerating missile at accelerating target