There are two shipping options available: Land and Air. All three can be shipped simultaneously regardless of travel option chosen.
Travel speeds are as follows:
Land: vLand = 50t
Air: vAir = 200t
where t is time in seconds. Also, sLand = 0 and sAir = 0 at t = 0, if sLand and sAir are the distances traveled at time t by the two possible means of transportation.
It takes 200 seconds to ship all three from A to B by land. How long does it take by air?
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