as more completely irrelevant information, a chain length is not 100 feet as stated above
A chain (ch) is a unit of length. It measures 66 feet, or 22 yards, or 100 links,[1] or 4 rods (20.1168 m). There are 10 chains in a furlong, and 80 chains in one statute mile.
Now we can also calculate Monte Python's speed of " furlongs per fortnight squared "