diff --git a/settings.c b/settings.c
index 6669cc9..2f50564 100644
--- a/settings.c
+++ b/settings.c
@@ -46,10 +46,10 @@ typedef struct {
 #define DEFAULT_Z_STEPS_PER_MM (94.488188976378*MICROSTEPS)
 #define DEFAULT_STEP_PULSE_MICROSECONDS 30
 #define DEFAULT_MM_PER_ARC_SEGMENT 0.1
-#define DEFAULT_RAPID_FEEDRATE 480.0 // in millimeters per minute
-#define DEFAULT_FEEDRATE 480.0
-#define DEFAULT_ACCELERATION (DEFAULT_FEEDRATE/100.0)
-#define DEFAULT_MAX_JERK 50.0
+#define DEFAULT_RAPID_FEEDRATE 500.0 // in millimeters per minute
+#define DEFAULT_FEEDRATE 500.0
+#define DEFAULT_ACCELERATION (DEFAULT_FEEDRATE/10.0)
+#define DEFAULT_MAX_JERK 300.0
 #define DEFAULT_STEPPING_INVERT_MASK 0
 
 void settings_reset() {