Rate the following argument fragment on its writing, argument, and language skills:
Evidence: On his second trip, Luke served as night watchman. His job was to check on all the animals every hour. One rainy night, after making his hourly report to the captain, he slid down a slippery ladder on his backside. Luke's heart raced as he shot feet first toward an opening on the side of the ship. A small strip of metal along the edge stopped his slide, keeping him from from flying overboard into the dark Atlantic. But he couldn't work for a couple of days because of cracked ribs.

Score: 1