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
TGV world speed record Alstom to break speed records between 250–300 kilometres per hour. It was the first TGV prototype and was commissioned in 1969, to begin testing in 1972. It achieved a top speed of on 8 December 1972. Operation TGV 100, referring to a target speed of 100 metres per second (360 km/h, 224 mph), took place on 26 February 1981 shortly before the opening of the LGV Sud-Est and ended with a speed record of 380 km/h (236 mph) set by TGV Sud-Est trainset number 16. Operations TGV 117 and TGV 140, referring to target speeds in metres per second, were