The Pitch of a sound depends upon the speed of the vibrations causing it. This is called the frequency. The frequency of a sound is measured in Hertz (Hz) after the German sci â¦ entist Heinrich Rudolf Hertz(1857-1894)  1 Hertz = 1 Vibration Per Second. 3 people found this useful.
Police declared Simpson a fugitive, and hours later, the infamous low-speed chase began. Approximately 6:45 p.m. on June 17, 1994, police saw Simpson on the expressway in a white Ford Bronco driven by his best friend and former teammate, Al Cowlings. Simpson was riding in the back, and he reportedly had a gun. With the cavalcade of police cars in pursuit, TV helicopters swooped in to join the chase.
The Chase (2006 TV series) The Chase is a British television drama series that aired on BBC One between 16 July 2006 and 26 August 2007. It centred on a family run veterinary practice. The show was co-written by Gaynor Faye (credited as Gaynor Mellor), the daughter of the show's creator, Kay Mellor.