A mass with mass 5 is attached to a spring with spring constant 21 and a dashpot giving a damping 22. The mass is set in motion with initial position 9 and initial velocity 4. (All values are given in consistent units.) Find the position function x(t) = A mass with mass 3 is attached to a spring with spring constant 2.41666666666667 and a dashpot giving a damping 5. The mass is set in motion with initial position 1 and initial velocity 5. (All values are given in consistent units.) Find the position function x(t): x(t) = The motion is (select the correct description)