Assassination of John F. Kennedy or completely stop, the Warren Commission — based on the Zapruder film — found that the limousine had traveled an average speed of 11.2 miles per hour over the 186 ft of Elm Street immediately preceding the fatal head shot. Within one second of each other, President Kennedy, Governor Connally, and Mrs. Kennedy all turned abruptly from looking to their left to looking to their right, between Zapruder film frames 155 and 169. Connally, like the President, was a World War II military veteran but unlike him, a longtime hunter. Connally testified that he immediately recognized the sound as that
Timeline of the John F. Kennedy assassination filmed jumping off his follow-up car at the equivalent of Zapruder frame 308; about a quarter of a second before the president's head exploded at frame 313). Hill then rapidly ran towards the Presidential limo and then another shot hit Kennedy in the head, cracking open the right side of his skull. As the limousine began speeding up, Mrs. Kennedy was heard to scream and she climbed out of the back seat onto the rear of the limo. At the same time, Hill managed to climb aboard and hang onto the suddenly accelerating limo, and Mrs. Kennedy returned to the