The fundamental frequency of a vibrating system is 425 hz. if the system is a cylindrical pipe with one end open and one end closed, give the lowest frequency (excluding the fundamental) at which a standing wave can occur.

Full change in the electric plus system

So since the snail is moving at 3.6  miles per hour you multiply by 5280 to change it into feet per hour. so you get 36*528 ft per hour. since there are 3600 seconds in an hour, you divide 36*528 by 3600. so simplifying we get 528/100 which is 5.28 ft per second

Isay that it is true