An object moves along the curve determined by the parametric equations  x(t) = t−sin(2t) and y(t) = t−cos(2t) where t is time in seconds and position is measured in meters. Find the speed of the object at time  t=5/2 π  seconds.  A) 100 meter per second B) √10 mps C) √2 mps D) 3√2 mps

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A: The parametric formula can be obtained by equating the equation of given line with t

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A: Let's find.

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A: The given graph is a line.  So the relation between x and y ordinates must be linear.