Originally Posted by Magic Bus

Just thought I'd add some concrete information to this debate. Using the information that I shared with all of you earlier (shown above). I was able, using google maps distance feature to determine the distance, from the landmark white sign to the point of impact. It is 820 feet or 273 yards used in calculator.

After reviewing the video on my large screen monitor at work numerous times, the time it took the Z to cover this distance was right about 6.75 seconds. This equates to a speed of 82.73 mph