In Mariland, the basic unit of length is called the pile, which is based on the width of Mari's arm, while the basic unit of time is the shake. There are 7 pile in one lathom, and 80 shake in one New York minute. A speed of 16 pile/shake is equal to lathom/New York minute. A speed of 19 lathom/New York minute is equal to pile/New York minute. A speed of 13 lathom/shake is equal to pile/New York minute