The Sprint[1] missile accelerated at 100g. That's 0-mach 10 in 5s flat. It flew so fast in the lower atmosphere that it glowed white hot. So, just saying there

The Sprint[1] missile accelerated at 100g. That's 0-mach 10 in 5s flat. It flew so fast in the lower atmosphere that it glowed white hot. So, just saying there were some pretty fast missiles decades ago. There was also the HIBEX missile, with 400g acceleration. [1] https://en.wikipedia.org/wiki/Sprint_(missile) https://en.wikipedia.org/wiki/Sprint_(missile)