### 3 Ways to Calculate Speed in Metres per Second - wikiHow

Mar 29, 2019· To calculate speed in metres per second, start by determining both the distance covered and the amount of time it took to cover that distance. If you need to calculate the time, subtract the starting time from the end time, taking care to express the amount of time as seconds instead of minutes or hours.

### Question about belt frequencies - Vibration Analysis ...

The belt "rotates" just not in a circle. The speed is normally half or less of the motor speed, and what you see most often is 2X belt speed (as Danny alludes to) though 1X is usually present if you look carefully, and higher harmonics can often be seen as well. For v-belts, my opinion is that 80% of all problems are caused by worn out sheaves.