def Thrust_ship(thrust, motor_isp, mass_flow):
    """Calculates thrust from the Rocket eqation: Thrust = Isp * g0 * massflow
    Args:
        motor_isp (float): Effiency constant for the motor.
        mass_flow (float): Total mass flow of exhaust.
    Returns:
        thrust (float): Thrust force produced by the rocket.
    """
    STANDARD_GRAVITY = 9.80665  # m/s^2



    thrust = motor_isp * STANDARD_GRAVITY * mass_flow
    return thrust