P13.3 / Vocal variety / Rate of speech. I picked a couple of "slower than normal" rate topics and a couple of more exciting "faster than normal" topics. If these are not what you had in mind, let me know.
Choice 12 of 13
VIENNA, AUSTRIA - MAY 31: Jiri Prskavec of the Czech Republic celebrates first place and the gold metal after the final heat at the Kayak (K1) men during the European Canoe Slalom Championships on May 31, 2014 in Vienna, Austria. 231 athletes from 27 nations, including 13 of the German Canoe Federation (DKV), are competing at the new whitewater course on the Danube Island in 10 title decisions from May 30 to June 1, 2014. (Photo by Thomas Lohnes/Getty Images)