The position of a baseball (in ft) is represented by ( r(t)=40√2ti+(3+40√2t-16t²)j ). Find the arc length of the trajectory (flight) of the baseball. (Let ( t=0 ) represent when the ball is h:
a) ( 40√2 )
b) ( 80√2 )
c) ( 120√2 )
d) ( 160√2 )