Some other states do not have an «exact speed limit» and drivers are responsible for maintaining a posted minimum speed (where applicable) and not exceeding a posted maximum speed. (law.stackexchange.com)
Different carriers require different minimum speeds, but you should be fine as long as you have a solid broadband connection. (howtogeek.com)
Only at minimum speeds of 74 mph do winds become strong enough to cause significant damage, according to the National Hurricane Center. (livescience.com)