Answers will vary. Design an airfoil that maximizes lift but minimizes the wing angle at an airspeed of 230 mph. Answers will vary. Design an airfoil that maximizes lift and altitude at an airspeed of 230 mph. Answers will vary.
Lift increases with airspeed.
Lift decreases with altitude. Lift increases with wing angle until a certain maximum angle is reached and stalling occurs. Lift increases with wing thickness.