National Maximum Speed Law for the 55 mph speed limit offered, "Speed limit 55. It's not just a good idea. It's the law.". Intelligentsia riffed that with a more absolute statement based on the speed of light: "186,000 miles per second. It's not just a good idea, it's the law." National Maximum Speed Law The National Maximum Speed Law (NMSL) in the United States was a provision of the Federal 1974 Emergency Highway Energy Conservation Act that prohibited speed limits higher than . It was drafted in response to oil price spikes and supply disruptions during the 1973 oil crisis. While Federal officials hoped
Inch per second Inch per second The inch per second is a unit of speed or velocity. It expresses the distance in inches ("in") traveled or displaced, divided by time in seconds ("s", or "sec"). The equivalent SI unit is the metre per second. Abbreviations include in/s, in/sec, ips, and less frequently in s. 1 inch per second is equivalent to: 1 metre per second ≈ 39.370079 inches per second (approximately)<br> 1 foot per second = 12 inches per second (exactly)<br> 1 mile per hour = 17.6 inches per second (exactly)<br> 1 kilometre per hour ≈ 10.936133 inches per second (approximately) In magnetic