Theoretical vs. Actual Network Speeds. The performance of Wi-Fi networks practically never approach these theoretical maximums. 802.11b networks, for example, generally operate no faster than about 50 percent of theoretical peak, around 5.5 Mbps. Likewise, 802.11a and 802.11g networks generally run no faster than 20 Mbps.
It is not unusual to see aerobic dance and Zumba, a form of dance to Latin music, offered in neighborhood gyms and community centers. Both have similarities but some differences for participants.
Zumba: Fun Is Secret Ingredient of Latin Dance Workout. In Zumba exercise classes, it's all about feeling the music. Latin rhythms pulse from Pittsburgh's Club One aerobics studio, where Maria McCalister leads a Zumba class packed with the glistening bodies of nearly 50 people seeking to swivel, pivot, and shake their way to fitness.