[kayak]

Might the backwards motion of his head also have been partially due to the sudden acceleration of the car. If my recollection is even close to correct, as soon as the shots rang out the driver sped up quickly .... or so accounts were saying at the time. And it certainly makes sense.

[texasbluebell]

Might the backwards motion of his head also have been partially due to the sudden acceleration of the car. If my recollection is even close to correct, as soon as the shots rang out the driver sped up quickly ....

It would make sense that they sped up, but I've read accounts from some of the agents who were perplexed that the car just sat there for something like 10 seconds. I can't link to it though, sorry.

[wideminded]

Might the backwards motion of his head also have been partially due to the sudden acceleration of the car. If my recollection is even close to correct, as soon as the shots rang out the driver sped up quickly .... or so accounts were saying at the time. And it certainly makes sense.

Alvarez did an extremely detailed analysis of the motion of the car and the camera. He showed that the car actually slowed down just before the fatal shot and stayed at this reduced speed until the end of the portion of the Zapruder film which he examined. Here's one link to the Alvarez report. Unfortunately it is a photo-copy.