protected VehicleModelData(string name, SizeD size, double topspeed, double acceleration, double deceleration)
 {
     Acceleration = acceleration;
     Deceleration = deceleration;
     Name = name;
     Size = size;
     TopSpeed = topspeed;
 }
 public MotorcycleModelData(string name, SizeD size, double speed, double acceleration, double deceleration)
     : base(name, size, speed, acceleration, deceleration)
 {
 }