A projectile is launched with an initial velocity of 80 m/s at an angle of 30° above the horizontal. Neglecting air resistance, what is horizontal component of the projectile's acceleration? Select one: O a. 4.9 m/s^2 O b. O m/s^2 O c. 9.8 m/s^2 O d. 80 m/s^2 O e. 40 m/s^2