A particle moves along the x-axis, starting from rest.  There is a net force that acts on this particle, starting at t = 0, which is proportional to t.  In other words, F(t) = bt, where b is a constant with appropriate units.  At any time t > 0, the kinetic energy of this particle is proportional to: Group of answer choices a. 1/t b. 1/t^2 c. t^2 d. t^4 e. Cannot be determined from the information given f. t

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