Here in the States we have no time for sensible measurement systems! None of this Mamby Pamby divide by ten and get a quick and simple answer stuff. No Siree, Bub! We like dividing everything by 5280 and then again by 12. Keeps us humble. When we get done with that we sit up all night with ounces and pounds

Actually, I'm one of those parochial Luddites who resists the metric system no matter how much sense it makes. (I use it for lab work, it makes sense there) I'm quite comfortable with my old fashioned measuments and this old dog wants nothing to do with new tricks

My Canadian friends pronounce the word kil LOM eter where the LOM is stretched out for several sylables much like a Minne SOT'N would pronounce it.
There was a great editorial cartoon posted way back when the US was going through "The Change" (or at least trying to). Two highway workers were posting km/hr speed limit signs and the question arose as the how far to space them apart. "Oh, put 'em every half mile!"

As to a "Speedo-meter", that is device used at many of our New England beaches to assist some of our male patrons who quite obviously do not have mirrors anywhere between their houses and the beach