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Bandera FFA Members Compare Speed of Sound Versus Arrow Flight Time    
Thursday, January 16, 2020 | Author: Natalie Boyd, Texas FFA News Staff
 

Bandera FFA members Chelsey Graves and Kate Guajardo set out to research and find a solution to a common challenge many bow hunters face called “jumping the string.”

The phrase “Jumping the string” is used by hunters to describe when an animal hears the “pop” sound of the bow string and reacts before the arrow has time to hit the animal. 



The purpose of their research titled Jumping the String: A Comparison Study of the Speed of Sound Versus Arrow Flight Time, was to identify effective shooting distances which would yield a mathematically effective and humane execution using a common novice bow, draw weight and shooting distances. 

“We put in numerous hours conducting research, analyzing data and developing our presentation to make sure that we were prepared,” said Graves.



The two members utilized a professional shooter to ensure the data was accurate. 

“Our results showed a hunter needs to be less than 60 feet, or 20 yards, away from a deer while shooting a 45-pound dual cam compound bow to execute an ethical shot,” said Guajardo.

According to their research, it is their recommendation to avoid a shot greater than 60 feet as it could result in the animal “jumping the string.” 



Graves’ and Guajardo’s successful agriscience fair project was recognized as the 2019 Texas FFA and National FFA champion in the Power, Structural and Technical Systems category. 

“We hope that our research can increase public acceptance of the sport through scientifically justified data and that the recommended shooting practices can ultimately support further growth in the industry,” said Graves.

 
   
 
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