diff --git a/sample.py b/sample.py
index c04e7e1..d11b74e 100644
--- a/sample.py
+++ b/sample.py
@@ -5,7 +5,7 @@ motorA = Motor('A')
 motorB = Motor('B')
 
 motorA.start(10)
-motorB.start(100)
+motorB.start(15)
 
 time.sleep(4)