OptimalImpulseDemo:

Path: StraightLine/ConstantThrust

% Optimal impulse for straight-line trajectories
 For a given payload fraction and engine specific power, find the specific
 impulse (exhaust velocity) which minimizes the duration to the target.
  ------------------------------------------------------------------------
  See also: TOFConstThrust, Straight2DStructure, ComputeDurationFraction,
  Plot2D
  ------------------------------------------------------------------------