a space shuttle orbits the earth at about 2 kilometers per second . this speed is equal to how many kilometers per hour ?
"seconds in 1 hours : 60 s in 1 min 60 min in 1 hr 60 * 60 = 3600 sec in 1 hr 2 * 3600 = 28,800 answer : a"
multiply(2, const_3600)