You're flying from Joint Base Lewis-McChord (JBLM) to an undisclosed location 8 km south and 126 km east.
Mt. Rainier is located approximately 56 km east and 40 km south of JBLM. If you are flying at a constant
speed of 800 km/hr, how long after you depart JBLM will you be the closest to Mt. Rainier?