3 ms·5,000,000 / 3,600 = 5,000 / 3.6 ~= 1,000 miles/sec.by mannykannot 8y ago5,000,000 / 3,600 = 5,000 / 3.6 ~= 1,000 miles/sec.perl4ever 8y ago5000 / 3.6 = 2500 / 1.8 = 1250 / 0.9 ~= 1,250 miles/sec