Quote Originally Posted by k_jupiter View Post
"strange Imperial system unit" is redundant.

tim in san jose
Ahah ! I was searching about a proper time unit, and just tumbled on this page , about the
Furlong/Firkin/Fortnight system :

http://en.wikipedia.org/wiki/FFF_system

So, the Fortnight seems to be the ideal time unit, and so, a speed should be in furlongs/fortnight...