diff --git a/STM32Cube/Calculations/trajectory_lib.c b/STM32Cube/Calculations/trajectory_lib.c
index 5566db7..da4d670 100644
--- a/STM32Cube/Calculations/trajectory_lib.c
+++ b/STM32Cube/Calculations/trajectory_lib.c
@@ -6,7 +6,7 @@
 #define EARTH_MEAN_RADIUS 6371009  // m
 #define TOL 0.00001
 #define TIME_STEP 0.05  // s
-#define ROCKET_BURNOUT_MASS_KG 39.609
+#define ROCKET_BURNOUT_MASS_KG 42.5288206112  // 93.76 lbs
 #define LAUNCH_PAD_ELEVATION_M 295.0
 
 /**
@@ -77,6 +77,8 @@ static const Cubic2VariablePolynomial DRAG_POLYNOMIAL_COEFFS[11] = {
      -0.1879f, -31.8071f, 15.4422f, -1.1456f}  // 100% ext
 };
 
+#define DRAG_HACK_SCALE 1.25
+
 /**
  * Evaluates a cubic 2 variable polynomial at the given coordinates.
  */
@@ -123,7 +125,7 @@ float dragAccel_m_s2(float extension, float speed_m_s, float altitude_m) {
 #undef INTERPOLATE_FIELD
     }
     // Divide drag force by mass to get acceleration
-#define SCALE_FIELD(field) poly.field /= ROCKET_BURNOUT_MASS_KG;
+#define SCALE_FIELD(field) poly.field *= DRAG_HACK_SCALE / ROCKET_BURNOUT_MASS_KG;
     APPLY_TO_FIELDS(SCALE_FIELD)
 #undef SCALE_FIELD
 #undef APPLY_TO_FIELDS
diff --git a/STM32Cube/Calculations/trajectory_lib.h b/STM32Cube/Calculations/trajectory_lib.h
index 7d26fd6..e9d82db 100644
--- a/STM32Cube/Calculations/trajectory_lib.h
+++ b/STM32Cube/Calculations/trajectory_lib.h
@@ -1,7 +1,7 @@
 #ifndef TRAJECTORY_LIB_H_
 #define TRAJECTORY_LIB_H_
 
-#define EXTENSION_REFERENCE 0.58f
+#define EXTENSION_REFERENCE 0.53f
 
 /**
  * Returns the acceleration due to drag acting on the rocket.