I have reviewed the footage multiple times. I can hear "Out of the car right now with your hands up or you will be shot" then a mumble then you shoot before you've finished repeating the initiation. It's about 4 seconds in total and that is what you've given him to figure out what's happening, stop the car and put his hands up? I don't know it seems too rushed to me. If you had used a spike strip, for example, it would be much more clear what was going to happen and would have aided you in quickly detaining the officer.
You must remember that it is your responsibility to ensure that your "victim" can hear your initiation. In this case, I think it was a poor judgement on your behalf as it was very difficult to hear what you said. However, because your initiation was repeated and you tried to give time to comply. I don't think this is a serious enough offence to warrant a ban so I am going to give a formal (written) warning to the initiator in the video. The reason being for unintentional poor initiation. In future, please ensure that your initiation is more audible, especially on moving vehicles. I'd recommend using spike strips.