The spacecraft approached the comet at just
a few kilometers per hour — a gentle walking pace — but the probe wasn't designed for landings and was likely damaged.
Sometimes the team released gas traveling a leisurely average walking speed of
a few kilometers per hour; other times, they let the gas flow 100 times faster.
Not exact matches
Upon reaching this height, they can erupt for a
few minutes to
hours and send large amounts of material racing through the corona and outward into space at 600 miles
per second (1,000
kilometers per second); these eruptions are called coronal mass ejections.
There are strong winds of 350
kilometers per hour (218 miles
per hour) at the cloud tops, but surface winds are weak — no more than a
few kilometers (or miles)
per hour.
Your sci - fi hover cars scream down narrow, hazardous tracks crowded by other racers at speeds in excess of 450
kilometers per hour, and you really feel that speed... especially when you hit a
few consecutive turbo boosts and briefly double your speed to 800 or 900
kilometers per hour.
A standard full charge takes about 4.5
hours, with a 50 % charge possible in about an
hour, and by installing two batteries, a total range of more than 100
kilometers is possible, which could mean very
few charges
per week for many riders, or longer trips for the adventurous.
Driving 10 miles
per hour (16
kilometers) over the speed limit might earn you a
few points.