FixedUpdateForces

    // Handle Forward and Reverse forces
    if (Mathf.Abs(thrust) > 0)
      body.AddForce(transform.forward * thrust);

    // Handle Turn forces
    if (turnValue > 0)
    {
      body.AddRelativeTorque(Vector3.up * turnValue * turnStrength);
    } else if (turnValue < 0)
    {
      body.AddRelativeTorque(Vector3.up * turnValue * turnStrength);
    }

    // Limit max velocity
    if(body.velocity.sqrMagnitude > (body.velocity.normalized * maxVelocity).sqrMagnitude)
    {
        body.velocity = body.velocity.normalized * maxVelocity;
    }