Explain thought process please. And find answers. Frankie G. Hollywood is proud

Question

Explain thought process please. And find answers.

Frankie G. Hollywood is proud owner of a new remote controlled Parrot AR.drone. He has hacked his drone so can fly to a pre-programmed location along a straight line. The drone can fly at 11mph for 12 minutes. Assume that Frankie tapes a 1 Gigabyte USB stick to his drone. Assume that 1024 MB = 1 GB. Answer the following two questions and show your thought process. What is the maximum data transfer rate in Megabits per second that he can achieve by having the drone deliver the USB stick to its maximum target distance? Up to which distance is the drone faster than a 50Megabit FIOS Internet connection?

Explanation / Answer

1) Total distance covered in 12 minutes = 11 m / Hr * 12 minutes = 11 m * 12 / 60 = 2.2 m

Maximum data transfer rate = 1 GB delivered over the distance of 2.2 m = 1 GB / 2.2 m

But speed is given, 11 m in 1 hour i.e., 11 m / Hr => 1 m in 1/11 Hr.

Maximum data transfer rate (MB / Hr) = 1024 MB / (2.2 * 1/11) Hr = 1024 * 50 MB / Hr = 51200 MB / Hr

Maximum data transfer rate (Mbits / s) = 51200 * 8 Mb / 3600 s = 113.7778 Mb/s

b) Maximum data transfer when data tranfer rate is greater than 50 Mb/s = (113.7778 - 50) Mb/s = 7.972 MB/s.

1024 MB transfer over 2.2 m.

=> 7.972 MB transfer over 7.972 * 2.2 /1024 m = 0.01711564 m

So maximum distance covered is 0.01711564 m / s.

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