By moving the telescope a few miles per hour on the truck, they could theoretically get good views continuously for about half an hour. (discovermagazine.com)
I couldn't walk over two minutes at 1 mile per hour on the treadmill — my legs were weak and my lung capacity was poor. (health.com)
Once the X3 M is on the road, we would expect it to be able to hit 60 miles per hour in just five or six seconds. (topspeed.com)