Nolan Ryan his own arm. He also has appeared in various television commercials shown in the Texas market. After retiring from baseball, Ryan teamed up with the federal government to promote physical fitness. His likeness was used in the "Nolan Ryan Fitness Guide", published by The President's Council on Physical Fitness and Sports in 1994. Ryan suffered a heart attack on April 25, 2000, and had to receive a double coronary bypass. In February 2008, the Rangers hired Ryan as team president. After the 2009 season, Ryan and Chuck Greenberg submitted a bid to purchase the Rangers from owner Tom Hicks. At
Speed speed in everyday usage is the kilometre per hour or, in the US and the UK, miles per hour. For air and marine travel the knot is commonly used. The fastest possible speed at which energy or information can travel, according to special relativity, is the speed of light in a vacuum "c" = metres per second (approximately or ). Matter cannot quite reach the speed of light, as this would require an infinite amount of energy. In relativity physics, the concept of rapidity replaces the classical idea of speed. Italian physicist Galileo Galilei is usually credited with being the