diff -r 46b4d1971fee -r 3e0a4a322f9e cms/app-client/app/services/constants.js
--- a/cms/app-client/app/services/constants.js	Tue Nov 22 13:53:52 2016 +0100
+++ b/cms/app-client/app/services/constants.js	Tue Nov 22 14:04:03 2016 +0100
@@ -314,6 +314,8 @@
  ]
 };
 
+const AUTOSCROLL_RATE = 35; // 35px/s
+
 export default Ember.Service.extend({
   OLAC_ROLES: OLAC_ROLES,
   DISCOURSE_CATEGORY_KEYS: DISCOURSE_CATEGORY_KEYS,
@@ -323,5 +325,6 @@
   VIAF_BASE_URL: "http://viaf.org/viaf/",
   LEXVO_BASE_URL: "http://lexvo.org/id/iso639-3/",
   LANGUAGES_TREEMAP: LANGUAGES_TREEMAP,
-  DOCUMENTS_PAGINATION_PERPAGE : DOCUMENTS_PAGINATION_PERPAGE
+  DOCUMENTS_PAGINATION_PERPAGE : DOCUMENTS_PAGINATION_PERPAGE,
+  AUTOSCROLL_RATE: AUTOSCROLL_RATE
 });