sentences:  There were no problems during warm-ups, but the man operating the bull during the video shoot programmed it to go faster, causing Knowles to fall off when she tried to perform tricks such as lifting up her foot, leaning back and turning around.To minimize the time Knowles spent on the bull, the director shot the sequence at twelve frames per second (see frame rate) and Knowles sang twice as quickly, but it wasn't until 4