The Data:
time         servo frequency

 44491.18                                  44.346 
 44491.57                                  53.476 
 44491.95                                  64.516 
 44492.34                                  63.898 
 44492.72                                  68.027 
 44493.16                                  69.444 
 44493.54                                  68.729 
 44493.93                                  69.93 
 44494.37                                  80 
 44494.75                                  72.202