Fastball Fastball The fastball is the most common type of pitch thrown by pitchers in baseball and softball. "Power pitchers," such as former American major leaguers Nolan Ryan and Roger Clemens, rely on speed to prevent the ball from being hit, and have thrown fastballs at speeds of (officially) and up to (unofficially). Pitchers who throw more slowly can put movement on the ball, or throw it on the outside of home plate where batters can't easily reach it. The appearance of a faster pitch can sometimes be achieved by minimizing the batter's vision of the ball before its release. The
Speed limit for "furious driving" offences. One conviction in 1905 cited furiously driving when passing a tram traveling at half that speed. In the 1960s, in continental Europe, some speed limit were established based on the V85 speed, (so that 85% of drivers respect this speed). Later Sweden defined the "Vision Zero" program. Most jurisdictions use the metric speed unit of kilometers per hour for speed limits, while some, primarily the United States and the United Kingdom, use speed limits given in miles per hour. There is an ongoing discussion as to whether they should follow the lead of other countries and