>>And, of course, you have to convert to the appropriate units, as you are already doing.
>
>Well... I would never call miles, feet, fps, mph etc appropriate units :)
Well, yes, agreed... Let's call it "compatible units", then. For a formula such as "distance = speed x time", the units have to be compatible.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)