The x- and y- positions as functions of time for a particle moving in the x-y plane are given by: x = 3 m + (1.6 m/s) t y = 2 m - (1.7 m/s) t + (0.4 m/s^2) t^2 What is its instantaneous speed at t = 5.5 seconds? Provide your answer in units of (m/s) to 2 decimal places. Do not use scientific notation.