Given the time of flight for a projectile fired horizontally was o.66 seconds, and it landed 3: 3 m from where it was launched, the projectile's muzzle velocity was: (a) 0.20 m/s, (b) 0.22 m/s, (c) 0.50 m/s, (d) 5.0 m/s, (e) none of the above.