REPORT TEMPLATE Part 1. Free-vibration and system identification Based on an impulsive test, estimate the damping ratio and undamped natural frequency of the system. Report a screenshot of your decay, with annotations indicating all the quantities you have extracted from the graph. Also, report all the calculation steps to obtain the final answers and write a justification for any choice you have taken in your methodology. Place your annotated decay graph here 15 14 Peak (3) X2.1 10 Y 8.53059 on (mm) Position (mm) 10 O S 0 47 20 20 60 Time (s) 80 100 180 Calculations here Discussion of any choice here Lest Pork () X 116.667 Y 5.15751