Update app.py

app.py

@@ -729,10 +729,10 @@ def calibrated_speed(text, desired_duration):
     # Truncated linear mapping
     if cps < 14:
         return 1.0
-    elif cps > 30:
-        return 2
+    elif cps > 25.2:
+        return 1.7
     else:
-        slope = (2 - 1.0) / (30 - 14)
+        slope = (1.7 - 1.0) / (25.2 - 14)
         return 1.0 + slope * (cps - 14)
 
 def upload_and_manage(file, target_language, process_mode):