Stick with basketball or fit in track to?

okay well im a shooting gaurd in basketball(a 3) and my coaches asked me if i would like to run track during off season. the varsity coach is also the head track coach and both of my coaches say i should run the 40 meter sprint. ive never ran track befor and i dont really know what to say i wanna do it but im not sure if i should. oh im 14 and in 9th grade