diff --git a/src/main.rs b/src/main.rs
index b746f33..3fc15d3 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -35,7 +35,7 @@ impl Projectile {
 impl Projectile {
     fn tick(&mut self, env: &Environment) {
         self.position = self.position + self.velocity;
-        self.velocity = env.wind + env.gravity;
+        self.velocity = self.velocity + env.wind + env.gravity;
     }
 }
 
@@ -57,7 +57,7 @@ fn main() {
 
     let mut ball = Projectile::new(
         Tuple::point(0.0, 0.0, 1.0),
-        Tuple::vector(1.0, 0.0, 0.0),
+        Tuple::vector(10.0, 0.0, 100.0),
     );
 
     let mut tick = 0;