<prompt> Pedzisa mutsara unotevera: Rekodhi yenyika yevakadzi iri pamasekonzi 40.82, yakagadzwa neUnited States muna 2012 pa  <response>: Mitambo yeOlympic yeLondon. Tsoka inokurumidza zvikuru yeanchor yakamhanyiswa nomukadzi ndi9.70 naCarmelita Jeter. 