A toddler, initially standing next to his father in the front yard, walks slowly away from his dad in the direction of 30.0? N of E for 3.50 meters. He turns in the direction 40.0? W of S and walks an additional short distance before finally walking a third distance due south before stopping. At the end of his journey, the toddler is 2.0 meters due east of his father. How far was the distance he walked due south?