First speed: The ring gear of the first gear planetary set is held by clutches, forcing the planet gears to rotate around the inside of the held ring gear and drive both the output shaft and the first speed sun gear. Since the load on the output shaft provides resistance to sun gear rotation, the ring gear of the second gear planetary set, connected to the planetary carrier of the first gear planetary set, must rotate. The rotation of the planetary carrier on the left is the same direction as the rotation of the output shaft.