To convert a speed from miles per hour (mph) to kilometers per second (km/s), you need to follow a two-step process: first, convert miles to kilometers, and then convert hours to seconds.
1. **Convert miles to kilometers**: The conversion factor between miles and kilometers is that 1 mile is approximately equal to 1.60934 kilometers. Therefore, to convert 60 miles to kilometers, you multiply:
60 miles × 1.60934 km/mile = 96.5604 kilometers
2. **Convert hours to seconds**: There are 3600 seconds in an hour (60 seconds per minute × 60 minutes per hour). So to convert hours to seconds, you simply divide by this amount:
60 mph = 96.5604 kilometers / 3600 seconds = 0.026822 km/s
Thus, a speed of 60 miles per hour is approximately 0.0268 kilometers per second. This gives you a clear way to understand the speed in different units!