A Projectile Fired from a Gun Has Initial Horizontal and Vertical

Multiple Choice

A projectile fired from a gun has initial horizontal and vertical components of velocity equal to 30 m/s and 40 m/s, respectively.
-Approximately how long does it take the projectile to reach the highest point in its trajectory?

A) 1 s
B) 2 s
C) 4 s
D) 8 s
E) 16 s