Allowing sufficient time so that the speed of the gate can be increased gradually the following minimum speeds will be maintained.
- (1) For the first 1/8 mile, not less than 11 miles per hour.
- (2) For the next 1/16 of a mile not less than 18 miles per hour.
- (3) From that point to the starting point, the speed will be gradually increased to the maximum speed.
- (4) When the speed has been reached in the course of a start there shall be no decrease except in the case of a recall.