On December $17,$ $1903,$ at Kitty Hawk, N.C., the $1903$ Wright Flyer became the first powered, heavier-than-air machine to achieve controlled, sustained flight with a pilot aboard. \begin{tabular}[t]{|l|c|c|c|} \multicolumn{4}{c}{\textbf{December 17, 1903 Flights}}\\\hline &\textbf{Pilot}&\textbf{Time in Flight}&\textbf{Distance}\\\hline \textbf{First Flight}&Orville&$12$~seconds&$37$~meters\\\hline \textbf{Longest Flight}&Wilbur&$59$~seconds&$260$~meters\\\hline \end{tabular} The average speed for the first flight was $x$ meters per second. The average speed for the longest flight was $y$ meters per second. What is the average of $x$ and $y?$ Express your answer as a decimal to the nearest tenth.
