CREATE TABLE table_20824 ("Gun" TEXT, "m/v ft/s" FLOAT, "Shell  ( lb ) " TEXT, "Time to ft  ( m )  at 25\\u00b0  ( seconds ) " TEXT, "Time to ft  ( m )  at 40\\u00b0  ( seconds ) " TEXT, "Time to ft  ( m )  at 55\\u00b0  ( seconds ) " TEXT, "Max. height  ( ft ) " FLOAT)

What is the maximum foot per second speed where time to feet ratio is 22.1 at 55 degrees?
SELECT MAX("m/v ft/s") FROM table_20824 WHERE "Time to ft (m) at 55\u00b0 (seconds)" = '22.1'
SELECT MAX("m/v ft/s") FROM "table_20824" WHERE "Time to ft (m) at 55\u00b0 (seconds)" = '22.1'