Speed
Some rough equivalents:
Some rough equivalents:
| 60 киломeтров в чaс | 37 miles an hour |
| 100 киломeтров в чaс | 62 miles an hour |
| 160 киломeтров в чaс | 100 miles an hour |
| 300 миллионов мeтров в сeкунду | 186,000 feet per second (the speed of light) |
