In which portion of the race did Usain Bolt improve from 2008 to 2009 the most? Justify your answer. (Word Count Limit: 50; Place word count below answer; 1 mark deduction for every word over word count limit)) Select "show rich text editor" and textbox will display with formatting options and word count in lower right. INSERT YOUR NAME HERE 14 12 . 10 Velocity (m/s) .2008 2009 N 0 0 2 4 6 8 10 12 Time (Sec) 2 INSERT YOUR NAME HERE . . 1.5 Acceleration (m/s2) 0.5 2008 .2009 2 4 6 10 12 -0.5 -1 Time (Sec)