🔧 Adjusts constants

src/main.rs

@@ -4,7 +4,7 @@ use physical_constants;
 use std::{thread, time};
 
 fn main() {
-    let f = 100_f64;  // Hz
+    let f = 20_f64;  // Hz
     let time_delta = 1_f64 / f;  // s
     let speed_dial = 1_f64;
     let pause = time::Duration::from_millis((time_delta * 1000_f64 / speed_dial) as u64);
@@ -18,21 +18,27 @@ fn main() {
     let Fg = mass * physical_constants::STANDARD_ACCELERATION_OF_GRAVITY;  // N
     let mut Fd = 0_f64;
 
-    let mut a;  // m/s^2
+    let mut a = 0_f64;  // m/s^2
     let mut v = 0_f64;  // m/s
     let mut d = 0_f64;  // m
+
     let mut elapsed = 0_f64;
+    let roof = 3_f64;
 
     loop {
+        print!("t = {:.3} s    Fg = {:.3} N    Fd = {:.3} N    a = {:.3} m/s^2    v = {:.3} m/s    d = {:.3} m\n", elapsed, Fg, Fd, a, v, d);
+
         a = (Fg - Fd) / mass;
         v += a * time_delta;
         d += v * time_delta;
 
-        print!("t = {:.3} s    Fg = {:.3} N    Fd = {:.3} N    a = {:.3} m/s^2    v = {:.3} m/s    d = {:.3} m\r", elapsed, Fg, Fd, a, v, d);
-
         Fd = p * Cd * A * v.powf(2_f64) / 2_f64;
         elapsed += time_delta;
 
+        if elapsed >= roof {
+            break;
+        }
+
         thread::sleep(pause);
     }
 }