I 'm giving him a 98 - 102 mph range .
So , Fromme 's speed could have been 100.8 mph - plus or minus up to 6 - 9 mph .
I 'm giving Fromme a 98 - 102 mph range .
So , Fromme 's speed could have been 100.8 mph - plus or minus up to 6 - 9 mph .