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It's easier to rise difficulty 16% when the value is 4M than when the value is 8M. And you are claiming difficulty will rise 16% when it's sitting at 34M.
1.16 ^ 10 = 4.4
9,000,000 diff = 64TH/s
So you seem to think that the network being 280TH/s in 10 months is far from likely?