Your timing is off. It sounds like the ball is getting ahead of you. One solution is to change from a 4 step to a 5 step delivery.
a foul is when you step over the black line when the floor meets the bowling lane
There isn't. There is a foul if crossing the foul lone.
Exactly the same length as in tenpin Bowling: 60 feet from the foul line to the headpin.
Foul line
a foul
60 feet
It is called the Foul Line
A standard Bowling alley is 60 feet from the foul line to the cantre of the No. 1 pin
In bowling, the pins knocked down by the ball do not count.
A Bowling lane is 60 feet long from foul line to the center of the headpin, and 62 feet 10 inches from the foul line to the back of the pins. It can range from 41-42 inches wide.
For scoring purposes, it is called a foul and the pins knocked down are not counted. For safety purposes, crossing the foul line can be dangerous as there is lane oil used starting from the point of the foul line working its way down towards the pins for a specific length depending on the center. This oil is used to help preserve the life of the lanes as well as being a challenge to the sport.
A bowler is not permitted to cross the foul line.