Circle changeup the index finger on the seam of the ball and the thumb on the side of the ball to "choke" the ball. According to his autobiography, Nolan Ryan also developed his own circle changeup to add another off-speed pitch without having to throw a slider (as sliders are believed to more frequently cause injuries). Circle changeup In baseball, a circle changeup is a pitch thrown with a grip that includes a circle formation, hence the name circle changeup. The circle is formed by making a circle with the index finger, holding the thumb at the bottom of the ball parallel
Jacqueline Cochran per hour, more than twice the speed of sound. She established a record for the 100-kilometer course by flying at 1302 miles per hour. Colonel Cochran established a third world's speed record by achieving 1135 miles per hour over a 500-kilometer course. The professional competence, aerial skill, and devotion to duty displayed by Colonel Cochran reflect great credit upon herself and the United States Air Force." From many countries around the world, Cochran received citations and awards. In 1949, the government of France recognized her contribution to the war and aviation awarding her in 1951 with the French Air Medal.