Question: A train just leaves a station and enters a tunnel. Where is the best place for a claustrophobic person to sit?
Answer: In the back. See, the train is still accelerating as it is leaving the station so the train will be moving faster when the back of the train enters the tunnel.
Question: A phone rings 9 times, and no one answers it. A horse eats 9 pounds of grain. A bannana grows 9 inches evry day. and the computer gets 9 mail messages every day.