Complex sentence: Once reaching the top of the hill, the coaster descends the 215' drop at 74 ° over the Rivertown midway and curves to the right up the second hill and down the drop into the ravine, curving again to the left.
Split into simpler sentences: Once reaching the top of the hill, the coaster drops at 74 ° over the Rivertown midway. It then curves to the right up a hill and down the drop into the ravine, curving again to the left.